public static List <string> GetResolveableNamespaces(RefactoringOptions options, out bool resolveDirect)
{
IReturnType returnType = null;
INRefactoryASTProvider astProvider = RefactoringService.GetASTProvider(DesktopService.GetMimeTypeForUri(options.Document.FileName));
if (options.ResolveResult != null && options.ResolveResult.ResolvedExpression != null)
{
if (astProvider != null)
{
returnType = astProvider.ParseTypeReference(options.ResolveResult.ResolvedExpression.Expression).ConvertToReturnType();
}
if (returnType == null)
{
returnType = DomReturnType.GetSharedReturnType(options.ResolveResult.ResolvedExpression.Expression);
}
}
List <string> namespaces;
if (options.ResolveResult is UnresolvedMemberResolveResult)
{
namespaces = new List <string> ();
UnresolvedMemberResolveResult unresolvedMemberResolveResult = options.ResolveResult as UnresolvedMemberResolveResult;
IType type = unresolvedMemberResolveResult.TargetResolveResult != null?options.Dom.GetType(unresolvedMemberResolveResult.TargetResolveResult.ResolvedType) : null;
if (type != null)
{
List <IType> allExtTypes = DomType.GetAccessibleExtensionTypes(options.Dom, null);
foreach (ExtensionMethod method in type.GetExtensionMethods(allExtTypes, unresolvedMemberResolveResult.MemberName))
{
string ns = method.OriginalMethod.DeclaringType.Namespace;
if (!namespaces.Contains(ns) && !options.Document.CompilationUnit.Usings.Any(u => u.Namespaces.Contains(ns)))
{
namespaces.Add(ns);
}
}
}
resolveDirect = false;
}
else
{
namespaces = new List <string> (options.Dom.ResolvePossibleNamespaces(returnType));
resolveDirect = true;
}
for (int i = 0; i < namespaces.Count; i++)
{
for (int j = i + 1; j < namespaces.Count; j++)
{
if (namespaces[j] == namespaces[i])
{
namespaces.RemoveAt(j);
j--;
}
}
}
return(namespaces);
}
